Rhode Island home charging cost for the 2027 Audi A6 e-tron quattro
At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2027 Audi A6 e-tron quattro (rated 32 kWh per 100 miles by the EPA) costs $9.42 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 41.2% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2027 Audi A6 e-tron quattro costs roughly $1,413 a year to charge at home in Rhode Island, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $990 a year.
Cost of a full charge
Covering the 2027 Audi A6 e-tron quattro's EPA-rated 327-mile range takes about 104.6 kWh, which costs about $30.8 at Rhode Island's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 16,872 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron quattro alone ranks 86 of 400 models for efficiency; Rhode Island alone ranks 47 of 51 states for electricity price.
Before you install a home charger in Rhode Island
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Get quotes from local electricians for Level 2 charger installation in Rhode Island before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.